Polyimides, polyamic acid and ester intermediates thereof,...

Details Polyimides, polyamic acid and ester intermediates thereof,... Polyimides, polyamic acid and ester intermediates thereof,...

C - Chemistry, Metallurgy

07

C

260/577, 260/597

C07C 93/14 (1985.01) C07C 97/10 (1985.01) C07C 149/42 (1985.01)

Patent

CA 1214787

ABSTRACT OF THE DISCLOSURE A primary aromatic diamine having the general formula: Image wherein X is a carbinol group when Y is a carbonyl group, X is d car- bonyl group when Y is a carbinol group, or X and Y are carbinol groups; wherein the nitrogen may be independently attached to the benzene rings in the 2-, 3-, or 4-positions; and wherein isomerism is present when X, Y, or X and Y are said carbinol groups. The diamines are used in the preparation of novel polyimides which are useful as adhesives or molded articles.

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